.header{width:100%;background-color:#00C0FF;padding:10px 20px;position: fixed;top:0; z-index: 1000; }
.header span{width:49%;vertical-align: middle;}
.header span img{vertical-align: middle;}
.share_box{width:100%;height:100%;position:fixed;top:0;left:0;background: rgba(0,0,0,.5);z-index:22;}
.share_con{width:100%;background-color:#fff;position:fixed;bottom:0;left:0;}
.share_con ul{margin:1rem 0;}
.share_con li{width:25%;text-align:center;}
.share_con .title{width:100%;padding:1.5rem 0;text-align:center;color:#828282;font-size:1.5rem;}